Home / 91,868.52-126,756.90-52,124.52

Finding the Fourth Proportional to 91,868.52, 126,756.90 and 52,124.52

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Solution

The fourth proportional to 91,868.52, 126,756.90 and 52,124.52 is: 71,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868.52 : 126,756.90 = 52,124.52 : x
  2. Step 2: Convert to fraction form
    91,868.52/126,756.90 = 52,124.52/x
  3. Step 3: Cross multiply
    91,868.52x = 126,756.90 × 52,124.52
  4. Step 4: Simplify right side
    91,868.52x = 6,607,142,569.19
  5. Step 5: Solve for x
    x = 6,607,142,569.19/91,868.52
  6. Step 6: Final answer
    x = 71,919.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.